title: Electrocardiographic abnormalities and serum magnesium in patients with subarachnoid hemorrhage.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000097:blood / Q000175:diagnosis* / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007008:Hypokalemia / Q000097:blood / Q000150:complications / Q000175:diagnosis; D016014:Linear Models; D008133:Long QT Syndrome / Q000097:blood / Q000175:diagnosis* / Q000209:etiology; D008274:Magnesium / Q000097:blood*; D008297:Male; D011446:Prospective Studies; D013345:Subarachnoid Hemorrhage / Q000097:blood / Q000150:complications / Q000503:physiopathology*
chemical_list: D008274:Magnesium